Variable-size induction heating plate

Active Publication Date: 2014-12-16
GRP BRANDT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0018]Further, each set includes at least three equidistant windings, enabling good distribution in the

Problems solved by technology

However, as a function of the position of the vessel on the cooking surface, it is not rare for a significant proportion of a

Method used

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  • Variable-size induction heating plate
  • Variable-size induction heating plate
  • Variable-size induction heating plate

Examples

Experimental program
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Embodiment Construction

[0033]One embodiment of an induction heading plate of the invention is described next with reference to FIGS. 1 to 4.

[0034]In this embodiment, the heating plate comprises two sets 10, 10′ of a plurality of windings 10a, 10b, 10c, 10′a, 10′b and 10′c, all disposed in a plane parallel to the cooking surface.

[0035]As shown clearly in FIG. 2, each set 10, 10′ includes three windings disposed in a triangle so that each set 10, 10′ includes windings equidistant from each other.

[0036]Thus each set 10, 10′ of three windings is inscribed in a circle, as shown in FIG. 2, in such a manner as to constitute a disc-shaped heating plate particularly suitable for the shape of a cooking vessel.

[0037]In this embodiment, the windings are disc-shaped and tangential to the circle defining the heating plate.

[0038]Each winding consists of an electrically conductive coil.

[0039]In practice, each winding can consist of a flat, spiral coil of multistrand copper wires.

[0040]The electrically conductive coils of...

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PUM

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Abstract

A variable-size induction heating plate includes a plurality of windings (10a, 10b, 10c, 10′a, 10′b, 10′c) arranged in a cooking surface. The heating plate includes two sets (10, 10′) of a plurality of windings arranged side-by-side, each set (10, 10′) of windings being adapted in such a way as to form a heating plate, and control elements (12, 12′, 13) which are adapted in such a way as to control the operation of the sets (10, 10′) both in an independent manner and a synchronous manner. Each set of windings is fed by a single current generator (11, 11). The inventive heating plate can be used in an induction cooking surface.

Description

BACKGROUND OF THE INVENTION[0001]1.Field of the Invention[0002]The present invention concerns a variable-size induction heating plate, and an induction cooking surface integrating such a plate.[0003]2. Description of the Related Art[0004]The present invention applies generally to the field of domestic induction cooking appliances, such as induction vitroceramic cooking surfaces.[0005]An induction heating plate generally consists of a circular winding adapted to the dimension of a cooking vessel of given size.[0006]It can equally consist of a plurality of concentric windings enabling adaptation to different diameters of vessels disposed on the cooking surface above the plate.[0007]A heating plate can equally consist of a plurality of windings disposed side by side and supplied with power by independent generators, as described in patent application FR 2 758 994.[0008]Also known are cooking surfaces comprising a plurality of small windings disposed in a cooking surface. One such cooki...

Claims

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Application Information

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IPC IPC(8): H05B6/36H05B6/06
CPCH05B6/062H05B2213/03H05B2213/05
Inventor ROUX, ALAIN
Owner GRP BRANDT
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